package com.vm.utils;

import java.io.*;



/**
 * dimens数据自动生成工具
 * 
 */
public class DimensTools {
	/** 源文件 */
	static String oldFilePath = "./res/values-nodpi/dimens.xml";
	/** 新生成文件路径 */
	static String filePath720 = "./res/values-1280x720/dimens.xml";
	/** 新生成文件路径 */
	static String filePath672 = "./res/values-1280x672/dimens.xml";
	/** 新生成文件路径 */
	static String filePath1080 = "./res/values-1920x1080/dimens.xml";
	/** 新生成文件路径 */
	static String filePath480 = "./res/values-800x480/dimens.xml";
	/** 缩小倍数 */
	static float changes = 1.5f;

	public static void main(String[] args) {
		
//		TypedValue.COMPLEX_UNIT_DIP;
		// 生成1-1920px
		String allPx = getAllPx();
		DeleteFolder(oldFilePath);
		writeFile(oldFilePath, allPx);
		String st = convertStreamToString(oldFilePath, changes);
		DeleteFolder(filePath720);
		writeFile(filePath720, st);
		DeleteFolder(filePath672);
		writeFile(filePath672, st);
		String st1 = convertStreamToString(oldFilePath, 1f);
		DeleteFolder(filePath1080);
		writeFile(filePath1080, st1);
	}

	/** 读取文件 生成缩放后字符串 */
	public static String convertStreamToString(String filepath, float f) {
		StringBuilder sb = new StringBuilder();
		try {
			@SuppressWarnings("resource")
			BufferedReader bf = new BufferedReader(new FileReader(filepath));
			String line = null;
			System.out.println("q1");
			String endmark = "px</dimen>";
			String startmark = ">";
			while ((line = bf.readLine()) != null) {
				if (line.contains(endmark)) {
					int end = line.lastIndexOf(endmark);
					int start = line.indexOf(startmark);
					String stpx = line.substring(start + 1, end);
					int px = Integer.parseInt(stpx);
					int newpx = (int) ((float) px / f);
					String newline = line.replace(px + "px", newpx + "px");
					sb.append(newline + "\r\n");
				} else {
					sb.append(line + "\r\n");
				}
			}
			System.out.println(sb.toString());
		} catch (IOException e) {
			e.printStackTrace();
		}
		return sb.toString();
	}

	/**
	 * 根据路径删除指定的目录或文件，无论存在与否
	 * 
	 * @param sPath
	 *            要删除的目录或文件
	 * @return 删除成功返回 true，否则返回 false。
	 */
	public static boolean DeleteFolder(String sPath) {
		File file = new File(sPath);
		// // 判断目录或文件是否存在
		if (!file.exists()) { // 不存在返回 false
			return true;
		} else {
			// 判断是否为文件
			if (file.isFile()) { // 为文件时调用删除文件方法
				return deleteFile(sPath);
			} else { // 为目录时调用删除目录方法
				// return deleteDirectory(sPath);
			}
		}
		return false;
	}

	/** 存为新文件 */
	public static void writeFile(String filepath, String st) {
		try {
			FileWriter fw = new FileWriter(filepath);
			BufferedWriter bw = new BufferedWriter(fw);
			bw.write(st);
			bw.flush();
			bw.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	/** 生成全px文件 */
	public static String getAllPx() {
		StringBuilder sb = new StringBuilder();
		try {
			sb.append("<resources>" + "\r\n");
			sb.append("<dimen name=\"screen_width\">1920px</dimen>" + "\r\n");
			sb.append("<dimen name=\"screen_height\">1080px</dimen>" + "\r\n");
			for (int i = 1; i <= 1920; i++) {
				System.out.println("i=" + i);
				sb.append("<dimen name=\"px" + i + "\">" + i + "px</dimen>"
						+ "\r\n");
			}
			sb.append("</resources>" + "\r\n");
			System.out.println(sb.toString());
		} catch (Exception e) {
			e.printStackTrace();
		}
		return sb.toString();
	}

	/**
	 * 删除单个文件
	 * 
	 * @param sPath
	 *            被删除文件的文件名
	 * @return 单个文件删除成功返回true，否则返回false
	 */
	public static boolean deleteFile(String sPath) {
		boolean flag = false;
		File file = new File(sPath);
		// 路径为文件且不为空则进行删除
		if (file.isFile() && file.exists()) {
			file.delete();
			flag = true;
		}
		return flag;
	}
}